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3107
Some funny history of spring

Some funny history of spring

Simple non-coiled springs were used throughout human history e.g., the bow (and arrow). In the Bronze Age more sophisticated spring devices were used, as shown by the spread of tweezers in many cultures. Ctesibius of Alexandria developed a method for making bronze with spring-like characteristics by producing an alloy of bronze with an increased proportion of tin, and then hardening it by hammering after it is cast. .....

1511
What is Extension Spring?

What is Extension Spring?

What is Extension Spring? How to choose the extension springs to avoid damages? .....

2011
HOW TO CHOOSE THE SPRING MATERIAL

HOW TO CHOOSE THE SPRING MATERIAL

HOW TO CHOOSE THE SPRING MATERIAL .....

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Dongguan Hershey Spring Manufacture Co., Ltd. Dongguan Hershey Spring Manufacture Co., Ltd.

Add. : No.1, Xingsheng Rd., Huangniupu Industrial Zone,Huangjiang Town, Dongguan City, Guangdong Province, P.R.China.

E-mail : hessp@hessp.com.cn

Tel : 86-769-83624668 / 83633115 / 82332808
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